// Remove default margin.
html,
body {
    margin: 0;
    padding: 0;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

// HTML5 display definitions
// ==========================================================================
//
// Correct `block` display not defined for any HTML5 element in IE 8/9.
// Correct `block` display not defined for `details` or `summary` in IE 10/11
// and Firefox.
// Correct `block` display not defined for `main` in IE 11.
//
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
    display: block;
}

//
// 1. Correct `inline-block` display not defined in IE 8/9.
// 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
//
audio,
canvas,
progress,
video {
    display: inline-block; // 1
    vertical-align: baseline; // 2
}

//
// Prevent modern browsers from displaying `audio` without controls.
// Remove excess height in iOS 5 devices.
//
audio:not([controls]) {
    display: none;
    height: 0;
}

//
// Address `[hidden]` styling not present in IE 8/9/10.
// Hide the `template` element in IE 8/9/10/11, Safari, and Firefox < 22.
//
[hidden],
template {
    display: none;
}

// Links
// ==========================================================================
//
// Remove the gray background color from active links in IE 10.
//
a {
    background-color: transparent;
}

//
// Improve readability of focused elements when they are also in an
// active/hover state.
//
a:active,
a:hover {
    outline: 0;
}

// Text-level semantics
// ==========================================================================
//
// Address styling not present in IE 8/9/10/11, Safari, and Chrome.
//
abbr[title] {
    border-bottom: 1px dotted;
}

// Embedded content
// ==========================================================================
//
// Remove border when inside `a` element in IE 8/9/10.
//
img {
    border: 0;
}

//
// Correct overflow not hidden in IE 9/10/11.
//
svg:not(:root) {
    overflow: hidden;
}

// Grouping content
// ==========================================================================
//
// Address margin not present in IE 8/9 and Safari.
//
figure {
    margin: 1em 40px;
}

//
// Address differences between Firefox and other browsers.
//
hr {
    box-sizing: content-box;
    height: 0;
}

//
// Address odd `em`-unit font size rendering in all browsers.
//
// Forms
// ==========================================================================
//
// Known limitation: by default, Chrome and Safari on OS X allow very limited
// styling of `select`, unless a `border` property is set.
//
//
// 1. Correct color not being inherited.
//    Known issue: affects color of disabled elements.
// 2. Correct font properties not being inherited.
// 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
//
button,
input,
optgroup,
select,
textarea {
    color: inherit; // 1
    font: inherit; // 2
    margin: 0; // 3
}

//
// Address `overflow` set to `hidden` in IE 8/9/10/11.
//
button {
    overflow: visible;
}

//
// Address inconsistent `text-transform` inheritance for `button` and `select`.
// All other form control elements do not inherit `text-transform` values.
// Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
// Correct `select` style inheritance in Firefox.
//
button,
select {
    text-transform: none;
}

//
// 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
//    and `video` controls.
// 2. Correct inability to style clickable `input` types in iOS.
// 3. Improve usability and consistency of cursor style between image-type
//    `input` and others.
//
button,
html input[type="button"], // 1
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button; // 2
    cursor: pointer; // 3
}

//
// Re-set default cursor for disabled elements.
//
button[disabled],
html input[disabled] {
    cursor: default;
}

//
// Remove inner padding and border in Firefox 4+.
//
button::-moz-focus-inner,
input::-moz-focus-inner {
    border: 0;
    padding: 0;
}

//
// Address Firefox 4+ setting `line-height` on `input` using `!important` in
// the UA stylesheet.
//
input {
    line-height: normal;
}

//
// It's recommended that you don't attempt to style these elements.
// Firefox's implementation doesn't respect box-sizing, padding, or width.
//
// 1. Address box sizing set to `content-box` in IE 8/9/10.
// 2. Remove excess padding in IE 8/9/10.
//
input[type="checkbox"],
input[type="radio"] {
    box-sizing: border-box; // 1
    padding: 0; // 2
}

//
// Fix the cursor style for Chrome's increment/decrement buttons. For certain
// `font-size` values of the `input`, it causes the cursor style of the
// decrement button to change from `default` to `text`.
//
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    height: auto;
}

::-ms-clear,
::-ms-reveal {
    display: none;
}

input[type="text"]::-ms-clear {
    display: none;
}

input[type="text"]::-ms-reveal {
    display: none;
}


//
// 1. Address `appearance` set to `searchfield` in Safari and Chrome.
// 2. Address `box-sizing` set to `border-box` in Safari and Chrome.
//
input[type="search"] {
    -webkit-appearance: textfield; // 1
    box-sizing: content-box; //2
}

//
// Remove inner padding and search cancel button in Safari and Chrome on OS X.
// Safari (but not Chrome) clips the cancel button when the search input has
// padding (and `textfield` appearance).
//
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}

//
// Define consistent border, margin, and padding.
//
fieldset {
    border: 1px solid #c0c0c0;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
}

//
// 1. Correct `color` not being inherited in IE 8/9/10/11.
// 2. Remove padding so people aren't caught out if they zero out fieldsets.
//
legend {
    border: 0; // 1
    padding: 0; // 2
}

//
// Remove default vertical scrollbar in IE 8/9/10/11.
//
textarea {
    overflow: auto;
}

//
// Don't inherit the `font-weight` (applied by a rule above).
// NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
//
optgroup {
    font-weight: bold;
}